JP2019138979A5 - - Google Patents
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- JP2019138979A5 JP2019138979A5 JP2018020332A JP2018020332A JP2019138979A5 JP 2019138979 A5 JP2019138979 A5 JP 2019138979A5 JP 2018020332 A JP2018020332 A JP 2018020332A JP 2018020332 A JP2018020332 A JP 2018020332A JP 2019138979 A5 JP2019138979 A5 JP 2019138979A5
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- 238000001514 detection method Methods 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 8
- 230000000875 corresponding Effects 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims 15
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- 238000004519 manufacturing process Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
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Description
本発明に係わる像振れ補正装置は、撮像装置の像振れを補正する像振れ補正装置であって、像振れを検出する振れ検出手段と、前記振れ検出手段の検出結果に対応する振れ信号に基づいて第１の振れ補正信号と第２の振れ補正信号とを生成する生成手段と、前記第１の振れ補正信号に基づいて前記像振れを補正する第１の振れ補正手段と、前記第２の振れ補正信号に基づいて前記像振れを補正する第２の振れ補正手段と、を制御する振れ補正制御手段と、を備え、前記生成手段は、前記振れ信号に含まれる第１の周波数帯域の信号の振幅の大きさを変更し、前記第１の振れ補正信号が前記第１の周波数帯域の信号の振幅の一部を含むように前記第１の振れ補正信号を生成し、前記振れ信号に含まれる前記第１の周波数帯域の信号の残りの振幅の部分と、前記第１の周波数帯域と異なる第２の周波数帯域の信号とに基づいて前記第２の振れ補正信号を生成することを特徴とする。 The image shake correction device according to the present invention is an image shake correction device that corrects the image shake of the image pickup device, and is based on the shake detection means for detecting the image shake and the runout signal corresponding to the detection result of the shake detection means. A generation means for generating a first runout correction signal and a second runout correction signal, a first runout correction means for correcting the image runout based on the first runout correction signal, and the second runout correction means. A second runout correction means for correcting the image runout based on the runout correction signal and a runout correction control means for controlling the shake correction signal are provided , and the generation means is a signal in the first frequency band included in the runout signal. The magnitude of the amplitude of the first runout correction signal is changed so that the first runout correction signal includes a part of the amplitude of the signal in the first frequency band, and the first runout correction signal is included in the runout signal. The second runout correction signal is generated based on the remaining amplitude portion of the signal in the first frequency band and the signal in the second frequency band different from the first frequency band. To do.
Claims (18)
像振れを検出する振れ検出手段と、
前記振れ検出手段の検出結果に対応する振れ信号に基づいて第１の振れ補正信号と第２の振れ補正信号とを生成する生成手段と、
前記第１の振れ補正信号に基づいて前記像振れを補正する第１の振れ補正手段と、
前記第２の振れ補正信号に基づいて前記像振れを補正する第２の振れ補正手段と、を制御する振れ補正制御手段と、を備え、
前記生成手段は、
前記振れ信号に含まれる第１の周波数帯域の信号の振幅の大きさを変更し、前記第１の振れ補正信号が前記第１の周波数帯域の信号の振幅の一部を含むように前記第１の振れ補正信号を生成し、
前記振れ信号に含まれる前記第１の周波数帯域の信号の残りの振幅の部分と、前記第１の周波数帯域と異なる第２の周波数帯域の信号とに基づいて前記第２の振れ補正信号を生成することを特徴とする像振れ補正装置。 An image shake correction device that corrects the image runout of an image pickup device.
A shake detecting means for detecting image shake and
A generation means for generating a first runout correction signal and a second runout correction signal based on the runout signal corresponding to the detection result of the runout detection means, and
A first runout correction means for correcting the image runout based on the first runout correction signal, and
A second runout correction means for correcting the image runout based on the second runout correction signal , and a runout correction control means for controlling the image runout are provided .
The generation means
The magnitude of the amplitude of the signal in the first frequency band included in the runout signal is changed so that the first runout correction signal includes a part of the amplitude of the signal in the first frequency band. Generates a runout correction signal
The second runout correction signal is generated based on the remaining amplitude portion of the signal in the first frequency band included in the runout signal and the signal in the second frequency band different from the first frequency band. An image shake correction device characterized by
前記係数と前記第１の周波数帯域の信号と前記第２の周波数帯域の信号とに基づいて前記第２の振れ補正信号を生成することを特徴とする請求項２に記載の像振れ補正装置。The image shake correction device according to claim 2, wherein the second runout correction signal is generated based on the coefficient, the signal in the first frequency band, and the signal in the second frequency band.
前記振れ信号を基準周波数に基づいて前記第１の周波数帯域の信号と前記第２の周波数帯域の信号とに分離し、
前記撮像装置への前記第１の振れ補正信号の送信の頻度が第１のとき、前記第１のときよりも前記頻度が低い第２のときよりも、前記基準周波数を高くすることを特徴とする請求項１乃至３のいずれか１項に記載の像振れ補正装置。 The generation means
The runout signal is separated into a signal in the first frequency band and a signal in the second frequency band based on the reference frequency.
Characterized in that the frequency of transmission of the first shake correction signal to the image sensing device when the first, the first than when said frequency is lower second than in, increasing the standards Frequency The image shake correction device according to any one of claims 1 to 3.
前記振れ信号を基準周波数に基づいて前記第１の周波数帯域の信号と前記第２の周波数帯域の信号とに分離し、
前記基準周波数が第１の周波数のとき、前記基準周波数が前記第１の周波数よりも低い第２の周波数のときよりも、前記第１の振れ補正信号への前記振れ信号に含まれる前記第１の周波数帯域の信号の振幅の割り当てを小さくすることを特徴とする請求項１乃至３のいずれか１項に記載の像振れ補正装置。 The generation means
The runout signal is separated into a signal in the first frequency band and a signal in the second frequency band based on the reference frequency.
When the criteria frequency of the first frequency, the first said reference frequency than in the second frequency lower than the first frequency, included in the shake signal to the first blur correction signal The image shake correction device according to any one of claims 1 to 3, wherein the allocation of the amplitude of the signal in the frequency band 1 is reduced.
前記撮像システムの振れを検出する少なくとも１つの振れ検出手段と、
前記少なくとも１つの振れ検出手段による検出結果に対応する振れ信号に基づいて第１の振れ補正信号と第２の振れ補正信号とを生成する生成手段と、
前記生成手段により生成された第１の振れ補正信号に基づいて画像の振れを補正する第１の振れ補正手段と、
前記生成手段により生成された前記第２の振れ補正信号に基づいて画像の振れを補正する第２の振れ補正手段と、を備え、
前記生成手段は、
前記振れ信号に含まれる第１の周波数帯域の信号の振幅の大きさを変更し、前記第１の振れ補正信号が前記第１の周波数帯域の信号の振幅の一部を含むように前記第１の振れ補正信号を生成し、
前記振れ信号に含まれる前記第１の周波数帯域の信号の残りの振幅の部分と、前記第１の周波数帯域と異なる第１の周波数帯域の信号とに基づいて前記第２の振れ補正信号を生成することを特徴とする撮像システム。 An imaging system including a lens unit having a photographing optical system and an imaging device to which the lens unit is detachably attached.
At least one runout detecting means for detecting the runout of the imaging system, and
Said generating means for generating a first shake correction signal and on the basis of a vibration signal corresponding to at least one by that detection result to the shake detecting means and the second shake correction signal,
A first runout correction means that corrects the runout of an image based on the first runout correction signal generated by the generation means, and a first runout correction means.
And a second shake correction means for correcting the shake of the image based on the second shake correction signal generated by said generating means,
The generation means
The magnitude of the amplitude of the signal in the first frequency band included in the runout signal is changed so that the first runout correction signal includes a part of the amplitude of the signal in the first frequency band. Generates a runout correction signal
The second runout correction signal is generated based on the remaining amplitude portion of the signal in the first frequency band included in the runout signal and the signal in the first frequency band different from the first frequency band. An imaging system characterized by
前記少なくとも１つの振れ検出手段は、前記撮像装置に配置された振れ検出手段と、前記レンズユニットに配置された振れ検出手段とを含み、
前記生成手段は、前記第１の振れ補正手段と前記第２の振れ補正手段とのうち、前記撮像装置に配置されている方の振れ補正手段の制御に用いる第１又は第２の振れ補正信号を、前記撮像装置に配置された振れ検出手段により検出された振れ補正信号に基づいて生成し、
前記第１の振れ補正手段と前記第２の振れ補正手段とのうち、前記レンズユニットに配置されている方の振れ補正手段の制御に用いる第１又は第２の振れ補正信号を、前記レンズユニットに配置された振れ検出手段により検出された振れ補正信号に基づいて生成することを特徴とする請求項９乃至１２のいずれか１項に記載の撮像システム。 One of the first shake correction means and the second shake correction means is arranged in the image pickup apparatus, and the other is arranged in the lens unit.
The at least one shake detecting means includes a shake detecting means arranged in the image pickup apparatus and a shake detecting means arranged in the lens unit.
The generation means is a first or second runout correction signal used for controlling the runout correction means arranged in the image pickup apparatus among the first runout correction means and the second runout correction means. Is generated based on the runout correction signal detected by the runout detection means arranged in the image pickup apparatus.
The lens unit uses a first or second runout correction signal used for controlling the runout correction means arranged in the lens unit among the first runout correction means and the second runout correction means. The imaging system according to any one of claims 9 to 12, wherein the image pickup system is generated based on a runout correction signal detected by a runout detecting means arranged in.
振れを検出する振れ検出工程と、
前記振れ検出工程における検出結果に対応する振れ信号に基づいて第１の振れ補正信号と第２の振れ補正信号とを生成する生成工程と、
前記生成工程において生成された前記第１の振れ補正信号と前記第２の振れ補正信号とに基づく像振れの補正を制御する振れ補正制御工程と、を有し、
前記生成工程において、
前記振れ信号に含まれる第１の周波数帯域の信号の振幅の大きさを変更し、前記第１の振れ補正信号が前記第１の周波数帯域の信号の振幅の一部を含むように前記第１の振れ補正信号を生成し、
前記振れ信号に含まれる前記第１の周波数帯域の信号の残りの振幅の部分と、前記第１の周波数帯域と異なる第２の周波数帯域の信号とに基づいて前記第２の振れ補正信号を生成することを特徴とする像振れ補正装置の制御方法。 It is a method of controlling the image shake correction device.
A runout detection process that detects runout and
A generation step of generating a first shake correction signal and the second shake correction signal based on the vibration signal corresponding to the contact Keru detection result to the shake detecting step,
Have a, a shake correction control step for controlling the correction of the image blur rather based the generated first shake correction signal and to said second shake correction signal in said generating step,
In the production process
The magnitude of the amplitude of the signal in the first frequency band included in the runout signal is changed so that the first runout correction signal includes a part of the amplitude of the signal in the first frequency band. Generates a runout correction signal
The second runout correction signal is generated based on the remaining amplitude portion of the signal in the first frequency band included in the runout signal and the signal in the second frequency band different from the first frequency band. A control method for an image shake correction device, which is characterized by the above.
前記撮像システムの振れを検出する少なくとも１つの振れ検出工程と、
前記少なくとも１つの振れ検出工程による検出結果に対応する振れ信号に基づいて、第１の振れ補正信号と第２の振れ補正信号とを生成する生成工程と、
前記生成工程において生成された第１の振れ補正信号に基づいて画像の振れを補正する第１の振れ補正工程と、
前記生成工程において生成された第２の振れ補正信号に基づいて画像の振れを補正する第２の振れ補正工程と、を有し、
前記生成工程において、
前記振れ信号に含まれる第１の周波数帯域の信号の振幅の大きさを変更し、前記第１の振れ補正信号が前記第１の周波数帯域の信号の振幅の一部を含むように前記第１の振れ補正信号を生成し、
前記振れ信号に含まれる前記第１の周波数帯域の信号の残りの振幅の部分と、前記第１の周波数帯域と異なる第２の周波数帯域の信号とに基づいて前記第２の振れ補正信号を生成することを特徴とする撮像システムの制御方法。 A method of controlling an imaging system including a lens unit having a photographing optical system and an imaging device to which the lens unit is detachably attached.
At least one runout detection step for detecting runout of the imaging system, and
On the basis of the shake signal corresponding to at least one detection result by the shake detection step, a generating step of generating a first shake correction signal and the second shake correction signal,
A first shake correction step of correcting the shake of the image based on the first shake correction signal generated in said generating step,
Have a, a second shake correction step of correcting the shake of the image based on the second shake correction signal generated in said generating step,
In the production process
The magnitude of the amplitude of the signal in the first frequency band included in the runout signal is changed so that the first runout correction signal includes a part of the amplitude of the signal in the first frequency band. Generates a runout correction signal
The second runout correction signal is generated based on the remaining amplitude portion of the signal in the first frequency band included in the runout signal and the signal in the second frequency band different from the first frequency band. A method of controlling an imaging system, which comprises performing.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018020332A JP7045877B2 (en) | 2018-02-07 | 2018-02-07 | Image shake correction device, imaging system, and their control methods and programs |
| EP19153180.5A EP3567843A1 (en) | 2018-02-07 | 2019-01-23 | Image stabilization apparatus, image capturing system, and method for controlling the same |
| CN201910086047.7A CN110121024B (en) | 2018-02-07 | 2019-01-29 | Image stabilization apparatus, image capturing system, and control method thereof |
| US16/266,221 US10686989B2 (en) | 2018-02-07 | 2019-02-04 | Image stabilization apparatus, image capturing system, and method for controlling the same |
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| JP2018020332A JP7045877B2 (en) | 2018-02-07 | 2018-02-07 | Image shake correction device, imaging system, and their control methods and programs |
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| JP2019138979A JP2019138979A (en) | 2019-08-22 |
| JP2019138979A5 true JP2019138979A5 (en) | 2021-03-25 |
| JP7045877B2 JP7045877B2 (en) | 2022-04-01 |
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| US (1) | US10686989B2 (en) |
| EP (1) | EP3567843A1 (en) |
| JP (1) | JP7045877B2 (en) |
| CN (1) | CN110121024B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7301531B2 (en) * | 2018-12-04 | 2023-07-03 | キヤノン株式会社 | CONTROL DEVICE, IMAGING DEVICE, LENS DEVICE, AND CONTROL METHOD |
| JP7233260B2 (en) * | 2019-03-13 | 2023-03-06 | キヤノン株式会社 | Image blur correction control device and its control method, program, storage medium |
| JP7374661B2 (en) * | 2019-08-27 | 2023-11-07 | キヤノン株式会社 | Control device, imaging device, and lens device |
| JP7321844B2 (en) * | 2019-08-30 | 2023-08-07 | キヤノン株式会社 | Shake correction control device and shake correction control method |
| CN112369010B (en) * | 2019-09-24 | 2022-05-24 | 深圳市大疆创新科技有限公司 | Control device, imaging device, and control method |
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| JP2005189654A (en) | 2003-12-26 | 2005-07-14 | Konica Minolta Photo Imaging Inc | Camera equipped with camera-shake correction mechanism |
| US7486879B2 (en) * | 2004-05-11 | 2009-02-03 | Fujinon Corporation | Image blur correcting device |
| KR101442612B1 (en) * | 2008-03-31 | 2014-10-30 | 삼성전자주식회사 | Sensing unit of shaking, Apparatus for correction of the shaking comprising the sensing unit, and Method of correcting the shaking |
| JP2012208335A (en) | 2011-03-30 | 2012-10-25 | Fujifilm Corp | Image blurring correction device |
| JP6097522B2 (en) * | 2012-10-22 | 2017-03-15 | キヤノン株式会社 | Image blur correction apparatus, image blur correction method, and imaging apparatus |
| JP6150655B2 (en) * | 2013-08-01 | 2017-06-21 | キヤノン株式会社 | Image shake correction apparatus and control method therefor, lens barrel, optical apparatus, and imaging apparatus |
| JP6214316B2 (en) * | 2013-10-09 | 2017-10-18 | キヤノン株式会社 | Image blur correction device, lens device, imaging device, image blur correction device control method, program, and storage medium |
| JP6242145B2 (en) * | 2013-10-10 | 2017-12-06 | キヤノン株式会社 | Image shake correction apparatus, control method thereof, and imaging apparatus |
| JP6861355B2 (en) * | 2014-03-28 | 2021-04-21 | パナソニックＩｐマネジメント株式会社 | Imaging device |
| JP6091650B2 (en) * | 2014-04-08 | 2017-03-08 | オリンパス株式会社 | Drive device and image equipment |
| KR102305118B1 (en) | 2015-02-11 | 2021-09-27 | 삼성전자주식회사 | Method for stabilizing image and electronic device thereof |
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